Okular offers almost all PDF editing functions, including margin, annotation, commenting, adding images, marking, etc.

Released in 2005, it is getting continuous updates till today.

With all common formats, it also supports some unique file formats, including XML Paper, DjVu, TIFU, ePub, XPS, DVI, etc.

This Ubuntu PDF reader is a resource and energy-efficient application that has already received the Blue Angel Ecolabel award.

Okular is a completely free multiplatform PDF document viewer.It supports almost all file formats and offers many PDF document editing functions. This application comes with a very user-friendly interface, and anyone can use it without any previous experience. This multiplatform document app is designed based on Qt and KDE Frameworks libraries. Let’s start with Okular by the KDE community, and it can be your perfect pick if you are looking for a simple yet powerful PDF viewer for Linux. Hope that you will read the brief description to understand which can be your cherry on the cake. I checked all these 15 Linux PDF viewers and added their major details here in the list. For this purpose, I want to help you, and here is a list of some best Linux PDF viewers. But it is difficult to pick the best one when you don’t know enough about them.

If you search online for Linux PDF Reader, you will find a long list.

Pdf viewer